2007 ICD-9-CM Procedure 15.6 Revision of extraocular muscle surgery 15.6 is a specific code that can be used to specify a procedure 15.6 contains 2 index entries View the full Volume 3 15.* hierarchy Index entries containing 15.6: Operation extraocular muscle NEC 15.9 revision 15.6 Revision extraocular muscle surgery 15.6